378 lines
14 KiB
Python
378 lines
14 KiB
Python
# dnsrecon-reduced/app.py
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"""
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Flask application entry point for DNSRecon web interface.
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Provides REST API endpoints and serves the web interface with user session support.
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"""
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import json
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import traceback
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from flask import Flask, render_template, request, jsonify, send_file, session
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from datetime import datetime, timezone, timedelta
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import io
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from core.session_manager import session_manager
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from config import config
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from core.graph_manager import NodeType
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from utils.helpers import is_valid_target
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app = Flask(__name__)
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app.config['SECRET_KEY'] = config.flask_secret_key
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app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=config.flask_permanent_session_lifetime_hours)
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def get_user_scanner():
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"""
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Retrieves the scanner for the current session, or creates a new one if none exists.
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"""
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current_flask_session_id = session.get('dnsrecon_session_id')
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if current_flask_session_id:
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existing_scanner = session_manager.get_session(current_flask_session_id)
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if existing_scanner:
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return current_flask_session_id, existing_scanner
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new_session_id = session_manager.create_session()
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new_scanner = session_manager.get_session(new_session_id)
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if not new_scanner:
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raise Exception("Failed to create new scanner session")
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session['dnsrecon_session_id'] = new_session_id
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session.permanent = True
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return new_session_id, new_scanner
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@app.route('/')
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def index():
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"""Serve the main web interface."""
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return render_template('index.html')
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@app.route('/api/scan/start', methods=['POST'])
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def start_scan():
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"""
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Starts a new reconnaissance scan.
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"""
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try:
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data = request.get_json()
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if not data or 'target' not in data:
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return jsonify({'success': False, 'error': 'Missing target in request'}), 400
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target = data['target'].strip()
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max_depth = data.get('max_depth', config.default_recursion_depth)
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clear_graph = data.get('clear_graph', True)
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force_rescan_target = data.get('force_rescan_target', None)
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if not target:
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return jsonify({'success': False, 'error': 'Target cannot be empty'}), 400
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if not is_valid_target(target):
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return jsonify({'success': False, 'error': 'Invalid target format.'}), 400
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if not isinstance(max_depth, int) or not 1 <= max_depth <= 5:
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return jsonify({'success': False, 'error': 'Max depth must be an integer between 1 and 5'}), 400
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({'success': False, 'error': 'Failed to get scanner instance.'}), 500
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success = scanner.start_scan(target, max_depth, clear_graph=clear_graph, force_rescan_target=force_rescan_target)
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if success:
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return jsonify({
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'success': True,
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'message': 'Scan started successfully',
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'scan_id': scanner.logger.session_id,
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'user_session_id': user_session_id
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})
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else:
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return jsonify({
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'success': False,
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'error': f'Failed to start scan (scanner status: {scanner.status})',
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}), 409
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/scan/stop', methods=['POST'])
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def stop_scan():
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"""Stop the current scan."""
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try:
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({'success': False, 'error': 'No scanner found for session'}), 404
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if not scanner.session_id:
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scanner.session_id = user_session_id
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scanner.stop_scan()
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session_manager.set_stop_signal(user_session_id)
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session_manager.update_scanner_status(user_session_id, 'stopped')
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session_manager.update_session_scanner(user_session_id, scanner)
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return jsonify({
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'success': True,
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'message': 'Scan stop requested',
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'user_session_id': user_session_id
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})
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/scan/status', methods=['GET'])
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def get_scan_status():
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"""Get current scan status."""
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try:
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({
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'success': True,
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'status': {
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'status': 'idle', 'target_domain': None, 'current_depth': 0,
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'max_depth': 0, 'progress_percentage': 0.0,
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'user_session_id': user_session_id
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}
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})
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if not scanner.session_id:
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scanner.session_id = user_session_id
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status = scanner.get_scan_status()
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status['user_session_id'] = user_session_id
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return jsonify({'success': True, 'status': status})
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except Exception as e:
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traceback.print_exc()
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return jsonify({
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'success': False, 'error': f'Internal server error: {str(e)}',
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'fallback_status': {'status': 'error', 'progress_percentage': 0.0}
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}), 500
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@app.route('/api/graph', methods=['GET'])
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def get_graph_data():
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"""Get current graph data."""
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try:
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user_session_id, scanner = get_user_scanner()
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empty_graph = {
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'nodes': [], 'edges': [],
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'statistics': {'node_count': 0, 'edge_count': 0}
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}
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if not scanner:
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return jsonify({'success': True, 'graph': empty_graph, 'user_session_id': user_session_id})
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graph_data = scanner.get_graph_data() or empty_graph
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return jsonify({'success': True, 'graph': graph_data, 'user_session_id': user_session_id})
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except Exception as e:
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traceback.print_exc()
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return jsonify({
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'success': False, 'error': f'Internal server error: {str(e)}',
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'fallback_graph': {'nodes': [], 'edges': [], 'statistics': {}}
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}), 500
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@app.route('/api/graph/large-entity/extract', methods=['POST'])
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def extract_from_large_entity():
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"""Extract a node from a large entity."""
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try:
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data = request.get_json()
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large_entity_id = data.get('large_entity_id')
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node_id = data.get('node_id')
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if not large_entity_id or not node_id:
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return jsonify({'success': False, 'error': 'Missing required parameters'}), 400
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({'success': False, 'error': 'No active session found'}), 404
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success = scanner.extract_node_from_large_entity(large_entity_id, node_id)
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if success:
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session_manager.update_session_scanner(user_session_id, scanner)
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return jsonify({'success': True, 'message': f'Node {node_id} extracted successfully.'})
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else:
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return jsonify({'success': False, 'error': f'Failed to extract node {node_id}.'}), 500
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/graph/node/<node_id>', methods=['DELETE'])
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def delete_graph_node(node_id):
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"""Delete a node from the graph."""
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try:
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({'success': False, 'error': 'No active session found'}), 404
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success = scanner.graph.remove_node(node_id)
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if success:
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session_manager.update_session_scanner(user_session_id, scanner)
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return jsonify({'success': True, 'message': f'Node {node_id} deleted successfully.'})
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else:
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return jsonify({'success': False, 'error': f'Node {node_id} not found.'}), 404
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/graph/revert', methods=['POST'])
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def revert_graph_action():
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"""Reverts a graph action, such as re-adding a deleted node."""
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try:
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data = request.get_json()
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if not data or 'type' not in data or 'data' not in data:
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return jsonify({'success': False, 'error': 'Invalid revert request format'}), 400
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user_session_id, scanner = get_user_scanner()
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if not scanner:
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return jsonify({'success': False, 'error': 'No active session found'}), 404
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action_type = data['type']
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action_data = data['data']
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if action_type == 'delete':
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node_to_add = action_data.get('node')
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if node_to_add:
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scanner.graph.add_node(
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node_id=node_to_add['id'],
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node_type=NodeType(node_to_add['type']),
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attributes=node_to_add.get('attributes'),
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description=node_to_add.get('description'),
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metadata=node_to_add.get('metadata')
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)
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edges_to_add = action_data.get('edges', [])
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for edge in edges_to_add:
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if scanner.graph.graph.has_node(edge['from']) and scanner.graph.graph.has_node(edge['to']):
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scanner.graph.add_edge(
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source_id=edge['from'], target_id=edge['to'],
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relationship_type=edge['metadata']['relationship_type'],
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confidence_score=edge['metadata']['confidence_score'],
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source_provider=edge['metadata']['source_provider'],
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raw_data=edge.get('raw_data', {})
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)
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session_manager.update_session_scanner(user_session_id, scanner)
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return jsonify({'success': True, 'message': 'Delete action reverted successfully.'})
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return jsonify({'success': False, 'error': f'Unknown revert action type: {action_type}'}), 400
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/export', methods=['GET'])
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def export_results():
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"""Export scan results as a JSON file."""
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try:
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user_session_id, scanner = get_user_scanner()
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results = scanner.export_results()
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results['export_metadata'] = {
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'user_session_id': user_session_id,
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'export_timestamp': datetime.now(timezone.utc).isoformat(),
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}
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timestamp = datetime.now(timezone.utc).strftime('%Y%m%d_%H%M%S')
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target = scanner.current_target or 'unknown'
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filename = f"dnsrecon_{target}_{timestamp}.json"
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json_data = json.dumps(results, indent=2)
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file_obj = io.BytesIO(json_data.encode('utf-8'))
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return send_file(
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file_obj, as_attachment=True,
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download_name=filename, mimetype='application/json'
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)
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Export failed: {str(e)}'}), 500
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@app.route('/api/providers', methods=['GET'])
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def get_providers():
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"""Get information about available providers."""
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try:
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user_session_id, scanner = get_user_scanner()
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provider_info = scanner.get_provider_info()
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return jsonify({'success': True, 'providers': provider_info, 'user_session_id': user_session_id})
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.route('/api/config/api-keys', methods=['POST'])
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def set_api_keys():
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"""Set API keys for the current session."""
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try:
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data = request.get_json()
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if data is None:
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return jsonify({'success': False, 'error': 'No API keys provided'}), 400
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user_session_id, scanner = get_user_scanner()
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session_config = scanner.config
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updated_providers = []
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for provider_name, api_key in data.items():
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api_key_value = str(api_key or '').strip()
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success = session_config.set_api_key(provider_name.lower(), api_key_value)
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if success:
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updated_providers.append(provider_name)
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if updated_providers:
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scanner._initialize_providers()
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session_manager.update_session_scanner(user_session_id, scanner)
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return jsonify({
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'success': True,
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'message': f'API keys updated for: {", ".join(updated_providers)}',
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'user_session_id': user_session_id
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})
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else:
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return jsonify({'success': False, 'error': 'No valid API keys were provided.'}), 400
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except Exception as e:
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traceback.print_exc()
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return jsonify({'success': False, 'error': f'Internal server error: {str(e)}'}), 500
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@app.errorhandler(404)
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def not_found(error):
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"""Handle 404 errors."""
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return jsonify({'success': False, 'error': 'Endpoint not found'}), 404
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@app.errorhandler(500)
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def internal_error(error):
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"""Handle 500 errors."""
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traceback.print_exc()
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return jsonify({'success': False, 'error': 'Internal server error'}), 500
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if __name__ == '__main__':
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config.load_from_env()
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app.run(
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host=config.flask_host,
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port=config.flask_port,
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debug=config.flask_debug,
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threaded=True
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) |